Specifications
FP2
−
CCU
6
−
5
6.3
Table of MEWTOCOL
−
COM Error Code
6.3
Table of MEWTOCOL
−
COM Error Code
21 Data Error:
•
Situation
A data error occurred during communication.
There are three types of data errors: parity errors, framing errors, and unit
receive buffer errors.
•
Example of error
This occurs if the communication format between the host computer side
and the PLC side is different.
•
Precautions when the FP2 Computer Communication Unit is being
used
If the parity settings are different, the ERR LED lights but no error code is
returned.
•
ERR LED on the FP2 Computer Communication Unit
Lights
22 Overrun Error:
•
Situation
The CPU unit buffer is full, and no more data can be received.
•
Example of error
This occurs if a command being sent before a response has been
returned in cases such as commands being sent continuously from the
host side.
•
ERR LED on the FP2 Computer Communication Unit
Lights
24 Transmission Format Error:
•
Situation
There is an error in the setting of a hierarchy control command.
•
Example of error
This occurs if a hierarchy control command has not been notated
correctly.
•
ERR LED on the FP2 Computer Communication Unit
Lights
Summary of Contents for FP2 Series
Page 1: ......
Page 8: ...FP2 CCU Functions of Computer Communication Unit 1 2...
Page 18: ...FP2 CCU Names and Functions of Parts 2 2...
Page 24: ...FP2 CCU Confirming Unit Settings and Design Contents 3 2...
Page 30: ...FP2 CCU RS232C Port Wiring 4 2...
Page 38: ...FP2 CCU Troubleshooting 5 2...
Page 44: ...FP2 CCU Specifications 6 2...
Page 52: ...FP2 CCU Specifications 6 10 6 3 Table of MEWTOCOL COM Error Code...
Page 54: ...FP2 CCU Record of changes R 2...
Page 55: ......
Page 56: ......